Daiki Kato / mbed-os-lychee

mbed-os for GR-LYCHEE

Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

drivers/FilePath.cpp@0:f782d9c66c49, 2018-02-02 (annotated)

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:f782d9c66c49 1 /* mbed Microcontroller Library
dkato 0:f782d9c66c49 2 * Copyright (c) 2006-2013 ARM Limited
dkato 0:f782d9c66c49 3 *
dkato 0:f782d9c66c49 4 * Licensed under the Apache License, Version 2.0 (the "License");
dkato 0:f782d9c66c49 5 * you may not use this file except in compliance with the License.
dkato 0:f782d9c66c49 6 * You may obtain a copy of the License at
dkato 0:f782d9c66c49 7 *
dkato 0:f782d9c66c49 8 * http://www.apache.org/licenses/LICENSE-2.0
dkato 0:f782d9c66c49 9 *
dkato 0:f782d9c66c49 10 * Unless required by applicable law or agreed to in writing, software
dkato 0:f782d9c66c49 11 * distributed under the License is distributed on an "AS IS" BASIS,
dkato 0:f782d9c66c49 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dkato 0:f782d9c66c49 13 * See the License for the specific language governing permissions and
dkato 0:f782d9c66c49 14 * limitations under the License.
dkato 0:f782d9c66c49 15 */
dkato 0:f782d9c66c49 16 #include "drivers/FilePath.h"
dkato 0:f782d9c66c49 17
dkato 0:f782d9c66c49 18 namespace mbed {
dkato 0:f782d9c66c49 19
dkato 0:f782d9c66c49 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
dkato 0:f782d9c66c49 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
dkato 0:f782d9c66c49 22
dkato 0:f782d9c66c49 23 const char* file_system = &file_path[1];
dkato 0:f782d9c66c49 24 file_name = file_system;
dkato 0:f782d9c66c49 25 int len = 0;
dkato 0:f782d9c66c49 26 while (true) {
dkato 0:f782d9c66c49 27 char c = *file_name;
dkato 0:f782d9c66c49 28 if (c == '/') { // end of object name
dkato 0:f782d9c66c49 29 file_name++; // point to one char after the '/'
dkato 0:f782d9c66c49 30 break;
dkato 0:f782d9c66c49 31 }
dkato 0:f782d9c66c49 32 if (c == 0) { // end of object name, with no filename
dkato 0:f782d9c66c49 33 break;
dkato 0:f782d9c66c49 34 }
dkato 0:f782d9c66c49 35 len++;
dkato 0:f782d9c66c49 36 file_name++;
dkato 0:f782d9c66c49 37 }
dkato 0:f782d9c66c49 38
dkato 0:f782d9c66c49 39 fb = FileBase::lookup(file_system, len);
dkato 0:f782d9c66c49 40 }
dkato 0:f782d9c66c49 41
dkato 0:f782d9c66c49 42 const char* FilePath::fileName(void) {
dkato 0:f782d9c66c49 43 return file_name;
dkato 0:f782d9c66c49 44 }
dkato 0:f782d9c66c49 45
dkato 0:f782d9c66c49 46 bool FilePath::isFileSystem(void) {
dkato 0:f782d9c66c49 47 if (NULL == fb)
dkato 0:f782d9c66c49 48 return false;
dkato 0:f782d9c66c49 49 return (fb->getPathType() == FileSystemPathType);
dkato 0:f782d9c66c49 50 }
dkato 0:f782d9c66c49 51
dkato 0:f782d9c66c49 52 FileSystem* FilePath::fileSystem(void) {
dkato 0:f782d9c66c49 53 if (isFileSystem()) {
dkato 0:f782d9c66c49 54 return (FileSystem*)fb;
dkato 0:f782d9c66c49 55 }
dkato 0:f782d9c66c49 56 return NULL;
dkato 0:f782d9c66c49 57 }
dkato 0:f782d9c66c49 58
dkato 0:f782d9c66c49 59 bool FilePath::isFile(void) {
dkato 0:f782d9c66c49 60 if (NULL == fb)
dkato 0:f782d9c66c49 61 return false;
dkato 0:f782d9c66c49 62 return (fb->getPathType() == FilePathType);
dkato 0:f782d9c66c49 63 }
dkato 0:f782d9c66c49 64
dkato 0:f782d9c66c49 65 FileLike* FilePath::file(void) {
dkato 0:f782d9c66c49 66 if (isFile()) {
dkato 0:f782d9c66c49 67 return (FileLike*)fb;
dkato 0:f782d9c66c49 68 }
dkato 0:f782d9c66c49 69 return NULL;
dkato 0:f782d9c66c49 70 }
dkato 0:f782d9c66c49 71
dkato 0:f782d9c66c49 72 bool FilePath::exists(void) {
dkato 0:f782d9c66c49 73 return fb != NULL;
dkato 0:f782d9c66c49 74 }
dkato 0:f782d9c66c49 75
dkato 0:f782d9c66c49 76 } // namespace mbed